CA2231889C - Emetteur-recepteur optique se servant d'un chemin optique unique pour la transmission et la reception - Google Patents

Emetteur-recepteur optique se servant d'un chemin optique unique pour la transmission et la reception Download PDF

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Publication number
CA2231889C
CA2231889C CA002231889A CA2231889A CA2231889C CA 2231889 C CA2231889 C CA 2231889C CA 002231889 A CA002231889 A CA 002231889A CA 2231889 A CA2231889 A CA 2231889A CA 2231889 C CA2231889 C CA 2231889C
Authority
CA
Canada
Prior art keywords
light
transceiver
received
photodetector
optical path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002231889A
Other languages
English (en)
Other versions
CA2231889A1 (fr
Inventor
Joel I. Javitt
Christopher L. Rutledge
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AT&T Corp filed Critical AT&T Corp
Publication of CA2231889A1 publication Critical patent/CA2231889A1/fr
Application granted granted Critical
Publication of CA2231889C publication Critical patent/CA2231889C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
CA002231889A 1997-03-19 1998-03-12 Emetteur-recepteur optique se servant d'un chemin optique unique pour la transmission et la reception Expired - Fee Related CA2231889C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/818,690 US6154297A (en) 1997-03-19 1997-03-19 Optical transceiver using common optical path for transmission and reception
US08/818,690 1997-03-19

Publications (2)

Publication Number Publication Date
CA2231889A1 CA2231889A1 (fr) 1998-09-19
CA2231889C true CA2231889C (fr) 2002-04-16

Family

ID=25226170

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002231889A Expired - Fee Related CA2231889C (fr) 1997-03-19 1998-03-12 Emetteur-recepteur optique se servant d'un chemin optique unique pour la transmission et la reception

Country Status (5)

Country Link
US (1) US6154297A (fr)
EP (1) EP0866572A3 (fr)
JP (1) JP4067629B2 (fr)
CN (1) CN1193851A (fr)
CA (1) CA2231889C (fr)

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* Cited by examiner, † Cited by third party
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JP2003524789A (ja) * 1998-04-30 2003-08-19 インフィネオン テクノロジース アクチエンゲゼルシャフト マルチチャネル用途に対する双方向光モジュール
US6925256B1 (en) * 2000-02-18 2005-08-02 Diplex Optical discriminator for transmitting and receiving in both optical fiber and free space applications
US6522437B2 (en) * 2001-02-15 2003-02-18 Harris Corporation Agile multi-beam free-space optical communication apparatus
GB2385198A (en) * 2002-02-07 2003-08-13 Denselight Semiconductors Pte Infrared photodetector with sensing array and hot-spot monitoring array
US6661546B1 (en) 2002-03-28 2003-12-09 Terabeam Corporation Multi-aperture holographic optical element for illumination sensing in a free space optical communication system
US6731415B1 (en) 2002-03-28 2004-05-04 Terabeam Corporation Multi-aperture holographic optical element for use in a free space optical communication system
US7127669B2 (en) * 2002-05-31 2006-10-24 Kiribati Wireless Ventures, Llc Redundant path communication methods and systems
ITMI20021938A1 (it) * 2002-09-12 2004-03-13 Cit Alcatel Ricevitore per sistema di trasmissione ottico in aria in grado di valutare le cause di un'eventuale diminuzione di potenza ricevuta
RU2233549C2 (ru) * 2002-10-18 2004-07-27 Милинкис Борис Моисеевич Лазерная линия связи
US20040100456A1 (en) * 2002-11-21 2004-05-27 Wang Michael Sujue Computer pen apparatus
US7062171B2 (en) * 2003-07-15 2006-06-13 Yusuke Ota Multi-wavelength, bi-directional optical multiplexer
US20050053338A1 (en) * 2003-09-05 2005-03-10 Yu-Te Chou Single-core bidirectional optical transceiver module
US7221874B2 (en) * 2003-09-29 2007-05-22 Harris Corporation Free space optical (FSO) device providing remote control features and related methods
US7215890B2 (en) * 2003-09-29 2007-05-08 Harris Corporation Free space optical (FSO) device providing power reduction features and related methods
US7272322B2 (en) * 2003-09-29 2007-09-18 Harris Corporation Modular free space optical (FSO) device and related methods
GB0408122D0 (en) 2004-04-13 2004-05-19 Koninkl Philips Electronics Nv Improvements relating to reception in optical networks
RU2311738C1 (ru) * 2006-03-13 2007-11-27 Общество с ограниченной ответственностью Научно-производственная фирма "Лазерные приборы" (ООО НПФ "ЛАЗЕРНЫЕ ПРИБОРЫ") Приемопередатчик для оптического устройства связи
CN100454787C (zh) * 2006-04-14 2009-01-21 南京邮电大学 自由空间光通信系统天线的定位与对准装置和方法
KR20090047615A (ko) * 2007-11-08 2009-05-13 삼성전자주식회사 가시광 통신 시스템에서 가시광 신호 수신 방법 및 장치
KR100976299B1 (ko) 2008-04-07 2010-08-16 엘에스전선 주식회사 양방향 광모듈 및 이를 이용한 레이저 거리 측정장치
US9800332B2 (en) * 2013-12-27 2017-10-24 Space Photonics, Inc. Acquisition, tracking, and pointing apparatus for free space optical communications with moving focal plane array
AU2016311179B2 (en) * 2015-08-21 2020-03-12 Caci Photonics, Llc Free space optical (FSO) system
CN109361457A (zh) * 2018-11-08 2019-02-19 京东方科技集团股份有限公司 基于可见光通信的信号收发装置及实现方法、系统

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US5047783A (en) * 1987-11-06 1991-09-10 Millitech Corporation Millimeter-wave imaging system
US5031188A (en) * 1990-04-30 1991-07-09 At&T Bell Laboratories Inline diplex lightwave transceiver
US5627669A (en) * 1991-11-13 1997-05-06 Canon Kabushiki Kaisha Optical transmitter-receiver
US5191339A (en) * 1992-03-05 1993-03-02 General Electric Company Phased-array antenna controller
US5260513A (en) * 1992-05-06 1993-11-09 University Of Massachusetts Lowell Method for absorbing radiation
US5274381A (en) * 1992-10-01 1993-12-28 General Electric Co. Optical controller with independent two-dimensional scanning
JPH0820510B2 (ja) * 1993-01-19 1996-03-04 株式会社エイ・ティ・アール光電波通信研究所 光通信機光学系のアライメント調整システム
JP3302141B2 (ja) * 1993-11-16 2002-07-15 キヤノン株式会社 光空間通信方法
US5390040A (en) * 1994-02-04 1995-02-14 Martin Marietta Corporation Optical transceiver for free-space communication links
JPH07218862A (ja) * 1994-02-04 1995-08-18 Canon Inc 空間光伝送装置
US5479540A (en) * 1994-06-30 1995-12-26 The Whitaker Corporation Passively aligned bi-directional optoelectronic transceiver module assembly
JP3846918B2 (ja) * 1994-08-02 2006-11-15 富士通株式会社 光伝送システム、光多重伝送システム及びその周辺技術
JP3311187B2 (ja) * 1995-01-26 2002-08-05 キヤノン株式会社 双方向光空間伝送装置
JPH0951325A (ja) * 1995-08-09 1997-02-18 Nec Corp 波長多重光伝送システム
US5790291A (en) * 1995-12-07 1998-08-04 Lucent Technologies Inc. Beam steering and tracking of laser communication links by dual-quadrant tracker and photodiode assembly
US5914976A (en) * 1997-01-08 1999-06-22 W. L. Gore & Associates, Inc. VCSEL-based multi-wavelength transmitter and receiver modules for serial and parallel optical links

Also Published As

Publication number Publication date
JPH10276132A (ja) 1998-10-13
JP4067629B2 (ja) 2008-03-26
EP0866572A2 (fr) 1998-09-23
CA2231889A1 (fr) 1998-09-19
EP0866572A3 (fr) 1999-12-01
US6154297A (en) 2000-11-28
CN1193851A (zh) 1998-09-23

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Effective date: 20170313